Number of 4Xn 0..1 arrays with every repeated value in every row unequal to the previous repeated value, and in every column equal to the previous repeated value, and new values introduced in row-major sequential order.
A267669
Number of 4Xn 0..1 arrays with every repeated value in every row unequal to the previous repeated value, and in every column equal to the previous repeated value, and new values introduced in row-major sequential order.
Terms
- a(0) =7a(1) =98a(2) =453a(3) =3143a(4) =10933a(5) =60401a(6) =188301a(7) =951113a(8) =2812057a(9) =13690793a(10) =39294261a(11) =188823533a(12) =531699829a(13) =2551208657a(14) =7083277713a(15) =34139004377a(16) =93677247421a(17) =454955695853
External references
- oeis: A267669